What is the Cartwheel galaxy?
Q: What is the Cartwheel galaxy?
A: The Cartwheel galaxy is a lenticular galaxy that is about 500 million light-years away in the constellation Sculptor.
Q: How big is the Cartwheel galaxy?
A: The Cartwheel galaxy is about 150,000 light years across, slightly larger than the Milky Way.
Q: What is the mass of the Cartwheel galaxy?
A: The Cartwheel galaxy has a mass of about 2.9–4.8 × 10^9 solar masses.
Q: Who discovered the Cartwheel galaxy?
A: The Cartwheel galaxy was discovered by Fritz Zwicky in 1941.
Q: What did Fritz Zwicky say about his discovery of the Cartwheel galaxy?
A: Fritz Zwicky said his discovery of the Cartwheel galaxy was "one of the most complicated structures awaiting its explanation on the basis of stellar dynamics".
Q: What does the Cartwheel galaxy show?
A: The Cartwheel galaxy shows radio and optical spokes, but they are not the same spokes.
Q: At what speed does the Cartwheel galaxy rotate?
A: The Cartwheel galaxy rotates at 217 km/s.
